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Chipset for AMD Parallel and Serial VID Processors

February 15, 2008 6:16 am | International Rectifier | Product Releases | Comments

International Rectifier introduced the IR3514 and IR3507 XPhase chipset for AMD parallel and serial VID (PVID and SVID) processors. The IR3514 control IC enables designers to migrate from AMD processors requiring a parallel VID to SVID processors without the need to change the motherboard. Combined with the IR3507 phase IC, the IR3514 provides Power Saving Interface (PSI) capability to

LISTED UNDER: ICs
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2.2 MHz Synchronous Boost Regulator with Output Disconnect and LDO in a 3 mm x 3 mm QFN

February 15, 2008 5:39 am | Product Releases | Comments

Linear Technology Corporation announced the LTC3537, a 2.2 MHz, current mode synchronous boost DC/DC converter with integrated output disconnects plus an LDO. The devices's boost converter's internal 600 mA switches can deliver output voltages as high as 5.25V from an input voltage range of 0.68V at start-up (0.5V when running) to 5V, making it suitable for Li-Ion/Polymer or single/multicell alkaline/NiMH applications.

LISTED UNDER: ICs

LED Drivers Fuse a 3 mm x 4 mm Package for LED Requirements From 700 mA to 1.5A

February 13, 2008 5:42 am | Product Releases | Comments

The ZXLD132X Inductive DC/DC Converter Series from Zetex drives single or multiple LEDs with currents from 700 mA to 1.5A, in buck, boost and buck/boost configurations. The driver’s 3 mm × 4 mm DFN package is said to reduce the circuit footprint of existing designs by up to 50 percent. A variable “on/off” time-control scheme, with an adjustable peak switch current limit, makes chips simple to control. Both LED current and peak inductor current can be set accurately and independently.

LISTED UNDER: ICs

Voice Processor Based on Human Hearing System

February 11, 2008 5:06 am | Product Releases | Comments

Audience Semiconductor announced a voice processor based on the intelligence of the human hearing system and began sampling these chips to mobile handset manufacturers. By understanding the entire audio pathway - from the cochlea to the brainstem to the thalamus and cortex - the company can offer a

LISTED UNDER: ICs

Battery Fuel Gauge Family for Smart Phones and Mobile Internet Devices Features Integrated LDOs

January 30, 2008 4:47 am | Product Releases | Comments

Texas Instruments introduced two battery fuel gauge devices with integrated low-dropout regulators (LDOs) for smart phones, mobile internet devices and media players with embedded or removable batteries. The system-side and battery pack-side fuel gauges build on the company's line of integrated circuits (ICs) that predict battery life with

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Power Management ICs Help Maximize Battery Runtime, Minimize Heat

January 21, 2008 9:31 am | Product Releases | Comments

Linear Technology Corporation introduced its LTC3556 multi-function power management devices for Li-Ion/Polymer battery applications. It integrates a switching PowerPath manager, a stand-alone battery charger, ideal diode, I2C control, a synchronous buck-boost regulator, two synchronous buck regulators plus

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65 nm FPGA Family Adds Three Devices

January 21, 2008 7:59 am | Product Releases | Comments

Xilinx introduced three new devices and small form factor packaging to its 65nm Virtex-5 LX and LXT FPGA platforms. The addition of the Virtex-5 LX155 device to the logic-optimized LX platform, and the addition of the LX20T and LX155T devices plus a new small footprint 19 mm FF323 package to the Virtex-5 LXT platform with low

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Constant-Current LED Driver Allows Multiple Devices to Be Cascaded and Programmed Via One Serial Interface

January 21, 2008 5:13 am | Product Releases | Comments

Catalyst Semiconductor, Inc. has expanded its recently introduced family of large LED video display drivers with the CAT4008, an 8-channel, constant-current sink LED driver for billboard, marquee, instrument and other large, general-purpose LED displays. The device’s LED channels can operate with an output voltage on the LED pins as low as 0.4V (for 2mA to 100mA LED current), to enable more power-efficient designs.

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Protected Three-Phase 600V IC Featuring Extra Channel for PFC or Brake and Ground Fault Protection

January 18, 2008 6:53 am | International Rectifier | Product Releases | Comments

International Rectifier introduced the IRS26302D protected 600V three-phase gate driver IC with ground fault protection. The IC has a seventh gate drive channel for a power factor correction (PFC) switch or inverter brake, making it well-suited to medium power appliance motor control and many other general-purpose three-phase inverter applications. The controller integrates power MOSFET/IGBT gate drivers

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Ultra-Low-Jitter Clock Generators Provide High-Frequency Timing

January 15, 2008 9:24 am | Product Releases | Comments

Maxim Integrated Products introduced the MAX3624 and MAX3625 high-performance, quad/triple-output clock generators for network equipment. These devices use a low-noise VCO and PLL architecture to generate a high-frequency, ultra-low-jitter (0.36 psRMS) clock signal from a low-frequency crystal resonator or reference clock input. They help to reduce space requirements by only requiring an external

LISTED UNDER: ICs

Power Amplifier Input Stages Help Reduce Design Time

January 15, 2008 6:30 am | Product Releases | Comments

National Semiconductor Corp. extended its high-fidelity LME audio amplifier family with the introduction of a pair of 200V mono audio power amplifier input stages with low distortion. The LME49811 and LME49830 have scalable output power based on supply voltage and output device count. Designers can use the same base circuit design to create multiple power-level solutions up to

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Multi-Chip Module has Wide Input Voltage Range

January 15, 2008 5:58 am | Product Releases | Comments

Toshiba America Electronic Components, Inc. (TAEC) expanded its power multi-chip modules (MCM) with a single package, 35A, 30V synchronous step-down converter switching module for high-current, low-voltage applications such as servers, server point-of-load modules, desktop PCs, and game machines. The 56-pin TB7004FL is compatible with Intel’s DrMOS 1.0 specifications. The main components are MOSFET gate drivers and high-side and low-side MOSFETs

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High-Voltage, Single- and Dual-Supply SPDT Analog Switches with Low 3.6-Ohm On-Resistance

January 14, 2008 7:32 am | Product Releases | Comments

Vishay Intertechnology released two high-voltage, single- and dual-supply single-pole double-throw (SPDT) analog switches. The DG469 and DG470 devices are identical, except the DG470 provides an enable pin, which puts all of the switches in a high-impedance state, maintaining a “safe state” at power up and preventing accidental signal or power shorts. The new switches are

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Low cost I/O and DSP-optimized Devices for Automotive Electronics

January 10, 2008 8:36 am | Product Releases | Comments

Xilinx, Inc. introduced the XA Spartan-3A and Spartan-3A DSP FPGAs for use in automotive applications. XA Spartan-3A devices are I/O-optimized for low cost per I/O in the PLD industry with up to 1.4 million system gates and 502 I/Os. They are compliant with 26 popular single-ended and differential signaling standards, and support market-specific networking standards, such as CAN, MOST and FlexRay.

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Flexible Controller for Flyback Converters Reduces Parts Count

January 10, 2008 5:25 am | Stmicroelectronics | Product Releases | Comments

STMicroelectronics announced a flexible controller for high-performance flyback power converters, which can operate in fixed-frequency (FF) or quasi-resonant (QR) mode. The chip integrates protection capabilities commonly implemented with external components, and is useful for applications such as AC/DC adapters/chargers, monitors, DVD players, and set-top boxes. During light load, the chip enters a controlled burst state at low frequency with constant peak current

LISTED UNDER: ICs

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